Frequently Asked Questions

PHMB stands for Polyhexamethylene Biguanide, which is a gentle yet efficacious antiseptic. It is in the chlorhexidine family but not as cytotoxic.

Is PHMB safe?

Yes, PHMB is commonly found in household cleaners and contact lens solutions.

Is there a risk for resistance with PHMB?

There is no known resistance to PHMB. In fact, similar antiseptics have been commonly used for years with no major resistance. PHMB annihilates the cell wall. This mode of action makes resistance highly unlikely.